baber/WOPTO huggingface dataset:
Patent RU-2693556-C1 (RU)
Title: Linear magnetic antenna for high-frequency range
Inventor: Lyasko Arij Borisovich
IPC: H01Q7/08
Filed: 2018-12-28
Granted: 2019-07-03
Abstract: FIELD: radio equipment. 
     SUBSTANCE: invention relates to radio engineering and is intended to extend the possibility of using LMA-type transmitting antennas related to the form of Hertz linear magnetic dipoles (MHD) for HF radio waves. Technical effect is achieved due to the fact that in a transmitting linear magnetic antenna for HF range (LMAHF) containing electrically conducting cylindrical body enclosed in a dielectric cylinder, arranged in cylindrical magnetic conductor enveloped with winding of single-layer solenoid of HF longitudinal magnetic flux excitation, having dielectric cylindrical shape frame arranged on cylindrical magnetic conductor, wherein the near end of the solenoid winding is configured to be connected to one of the ends of the electrically conductive cylindrical body, the ends of which are connected to the corresponding input terminals of the HF voltage source, and electrically conductive cylindrical body is included in the gap between one of terminals of HV high-voltage source and one of ends of solenoid winding, when its other end is connected to other source terminal, wherein the electrically conductive cylindrical body is configured to extend beyond the ends of the enveloping dielectric cylinder thereof or part thereof can be in the form of a telescopic metal antenna. 
     EFFECT: technical result consists in improvement of efficiency of operation (radio communication) of antenna for transmission, reduction of dimensions of antenna with possibility of use in range of HF radio range from 600 to 10 m that is range of action of signal propagation. 
     3 cl, 32 dwg
Patent RU-2692259-C1 (RU)
Title: Этоксисодержащие линейные поликарбосилансилоксаны и способ их получения
Inventor: MUZAFAROV AZIZ MANSUROVICH
IPC: C08G77/18
Filed: 2018-12-29
Granted: 2019-06-24
Abstract: Изобретение относится к химии и технологии элементоорганических соединений. Предложены новые этоксисодержащие линейные поликарбосилансилоксаны общей формулы (I), где при R=R=Me n - целые числа от 3 до 1500, m - от 1 до 50; при R=R=Ph n равно 1 или 2, m - целое число от 1 до 50. Предложен также способ их получения. Технический результат – предложенные линейные поликарбосилансилоксаны имеют регулярное строение и содержат разветвляющие диэтоксисилильные звенья, повторяющиеся через заданное количество ди(арил)алкилсилильных звеньев, что позволяет контролировать состав и структуру получаемых на их основе связующих. 2 н.п. ф-лы, 2 ил., 1 табл., 4 пр.(I)
Patent RU-2716470-C1 (RU)
Title: Method of blade improvement in order to increase its negative critical angle of attack
Inventor: FUKARI RAPHAEL
IPC: B64C11/18
Filed: 2019-01-30
Granted: 2020-03-11
Abstract: FIELD: aviation. 
     SUBSTANCE: present invention relates to aircraft engineering, particularly, to methods of improving propeller blade. Method includes increasing radius of initial circle (15, 25) of leading edge of each aerodynamic profile (10) of said blade, moving front edge (5) from semi-profiled strip (21) to side semi-profile (11) of back, thus changing aerodynamic profile (10) of each cross-section of said blade and curvature of each aerodynamic profile (10). As a consequence, negative critical angle of attack of said blade increases in absolute value. 
     EFFECT: higher aerodynamic characteristics of said blade at negative angle of attack compared to unmodified blade without significant deterioration of its aerodynamic characteristics at positive angle of attack. 
     12 cl, 12 dwg
Patent RU-2716610-C1 (RU)
Title: Method of tracking a space object with a laser beam
Inventor: YAkovlev Mikhail Viktorovich
IPC: B64G1/64
Filed: 2019-02-18
Granted: 2020-03-13
Abstract: FIELD: control system; cosmonautics. 
     SUBSTANCE: invention relates to spacecraft (SC) motion control and can be used for navigation of spacecrafts in far space. Method involves laser beam scanning a given area of space by reflecting beam from a mirror on a turntable installed in electromechanical suspension. Platform move in azimuth and elevation is set by system of electromagnets, powered by current in form of a saw-toothed pulse train. Direction to the space object (SO) is determined from the parameters of the scanning pulses at which the signal reflected from the SO laser radiation is detected. Direction to the space object is determined in repeated sessions. Based on results of processing repeated session data, electromagnets current is controlled and laser beam displacement mode is set according to direction and speed of SO angular displacement relative to laser radiation source. 
     EFFECT: higher range of controlled space objects. 
     1 cl
Patent RU-2699639-C1 (RU)
Title: Nonlinear monocrystal of lithium chalcogenides of general formula ligaxin1-xte2 and a method for production thereof
Inventor: Krinitsyn Pavel Gennadevich
IPC: G02F1/355
Filed: 2019-02-26
Granted: 2019-09-06
Abstract: FIELD: technological processes. 
     SUBSTANCE: invention relates to monocrystals of lithium chalcogenides, intended for use in nonlinear optics for implementation of laser visible and near infrared laser radiation adjustment in medium infrared range. Obtained nonlinear monocrystal of lithium chalcogenides of general formula LiGa x In 1-x Te 2 , where x takes any value from 0.1 to 0.9, having spatial group  I         d  tetragonal symmetry, Z = 4, with elementary cell parameters 6.3295< a <6.398 Å, 11.682< c <12.460 Å and volume of 468.01<V<510.0 Å 3 , characterized by functional parameters: transparency range from 0.76 to 14.8 micron, band gap width of 1.837 eV at 300 K, birefringence values of 0.049 at 2 mcm and nonlinear coefficients d 13 =3.70 pm/V and d 14 =48.73 pm/V. Method of producing monocrystal of lithium chalcogenides of general formula LiGa x In 1-x Te 2 , where x takes any value from 0.1 to 0.9, includes previous synthesis of compound LiGa x In 1-x Te 2  of elementary components Li, In, Ga and Te in conditions providing stoichiometric ratio of components, monocrystal growth by a modified Bridgman-Stockbarger method in a vacuum ampoule while providing change ratios of temperature gradients in melt and growing crystal at growth rate from 2 to 10 mm/day and average value of axial temperature gradient from 2 to 3 °C/mm and furnace cooling at rate of about 10 °C/h. 
     EFFECT: technical result consists in providing the possibility of shifting the absorption edge to a short region (as x increases) in combination with increasing the conversion coefficient by achieving non-critical phase synchronism; expected effect of increasing efficiency of laser radiation conversion using said nonlinear monocrystal is 10–30 % compared to nonlinear LiGaTe 2  monocrystals; at variation of value (x) it is possible to ensure matching of group and phase velocities of laser radiation, at which effective interaction length for femtosecond generation mode is increased, which will provide additional effect of about 10–20 % of efficiency. 
     2 cl, 3 dwg, 3 ex
Patent RU-2704457-C1 (RU)
Title: Bio-bag with perforation for kitchen sink
Inventor: Bobrovskikh Aleksandr Vasilevich
IPC: A47J47/20
Filed: 2019-04-22
Granted: 2019-10-28
Abstract: FIELD: satisfaction of human vital needs. 
     SUBSTANCE: biometric bag with perforation for kitchen sink comprises two side walls of film, fixed in lower and lateral parts between each other and has on edges of open part of two projections on each of side walls, wherein lateral sides of each of the projections are made curved lines of the sinusoid in a given range of angles from -1/2π up to 1/2π on one side and 1/2π up to 3/2π on the other side, smoothly changing into the line of the open part edge, and the front side has a rounded convex outline smoothly changing into curved lines of the sinusoid, and the height and width of the protrusions are selected from given ratios, the micro perforation different from the micro to the macro diameter and the stiffness ribs, wherein the perforation is made with a gradient density from the attached lower part and / or the bottom base to reduce, and the diameter is increased by the middle to approximately 1/3 of the length and / or height of the bag, wherein the length and / or height of the bag is calculated from given ratios, e.g. 1/3 of the standard depth – fine, medium, deep sinks of kitchen sinks, wherein height h of protrusions is selected from ratio h=(X-Y)⋅D, and width S of ledges is selected from ratios S=(Z-k)⋅D, where D is the diameter of the open part of the bag is always greater than the diameter of the kitchen sink sinks regardless of their shape and size, pre-wetted with water for more sticking to the bag walls sticking to them, film of which has a corresponding operational density and / or strength of biopolymers and has a greenish-lime tone, and the stiffening ribs are made in the form of a plurality of differently directed folds by a man-made method by compression and / or grinding of the entire bag. 
     EFFECT: bio-bag with perforation for kitchen sink is a disposable device for prevention of ingress of food wastes into system of drainage of kitchen sink sinks, as well as hygienic collection thereof with subsequent house recycling, as well as specified self-utilization in the environment. 
     10 cl, 11 dwg
Patent RU-2709984-C1 (RU)
Title: Device for bottom windows cleaning of deep-water test basin from bottom sediments
Inventor: Nechaev Dmitrij Aleksandrovich
IPC: B08B1/00
Filed: 2019-04-30
Granted: 2019-12-23
Abstract: FIELD: technological processes. 
     SUBSTANCE: invention relates to means of mechanical cleaning of internal surface of test basin against plaque of bottom sediments. Disclosed is a device for cleaning bottom windows of a deep-water test basin from bottom sediments, comprising a holder and a scraper attached at its end, made from an elastic material, at that, the flexible scraper is fixed on the testing bogie moving along the test basin through the holder, pivotally attached to the test bogie housing and connected by the other end to the flexible scraper, wherein scraper holder is equipped with clamping bracket pivotally attached to its housing in lower part of holder and made in form of telescopic rod, hinged by its other end to housing of test trolley, note here that telescopic rod is equipped with spring-loaded clamping device arranged in its housing, in upper part. 
     EFFECT: invention provides higher efficiency of cleaning bottom windows and deep-water test basin and quality of their cleaning. 
     1 cl, 1 dwg
Patent RU-2715843-C1 (RU)
Title: Air separation device and cooling and freezing device
Inventor: ZHU XIAOBING
IPC: F25D11/00
Filed: 2017-12-01
Granted: 2020-03-03
Abstract: FIELD: technological processes. 
     SUBSTANCE: present invention relates to the technology of gas separation, in particular to an air separation device and a refrigerating and freezing device. Air separation device comprises a support frame on which there is a support surface with a channel and a chamber for collecting enriched gas, in communication with the channel, and a membrane for air separation superimposed on the support surface and adapted to feed the enriched gas collection chamber. Support frame comprises an air removal hole communicating with a chamber for collecting enriched gas, a frame in which a receiving chamber with a hole is formed and a plurality of ribs arranged at intervals in the receiving chamber opening, wherein external side surfaces of the ribs form a support surface, a gap between two adjacent ribs forms a channel, a cavity located on the inner sides of the plurality of ribs, receiving chamber forms a chamber for collection of enriched gas, and axis of hole for air removal and multiple ribs pass in one direction. Refrigerating and freezing device includes a housing, in which space for storage and space for freshness preservation with air conditioning, an air separation device and an air pump are formed. 
     EFFECT: invention provides high strength and small size of the air separation device, which enables to create an oxygen-depleted gas medium which promotes preservation of freshness of food products. 
     7 cl, 8 dwg
Patent RU-2713526-C1 (RU)
Title: High-strength foundry aluminum alloy with calcium additive
Inventor: BELOV NIKOLAJ ALEKSANDROVICH
IPC: C22C21/10
Filed: 2019-06-07
Granted: 2020-02-05
Abstract: FIELD: metallurgy. 
     SUBSTANCE: invention relates to metallurgy of aluminum-based materials and can be used in production of articles operating under high loads at temperatures of up to 150–200 °C, in particular, parts of aircrafts, cars and other vehicles, sports equipment parts, etc. Aluminium-based alloy contains following, wt%: 6.0–6.5 Zn, 1.0–1.5 Ca, 1.5–2.0 Mg, 0.5–0.8 Fe, the rest is aluminum. In particular cases during casting in graphite and steel mold the following level of mechanical properties is achieved without application of heat treatment: temporary resistance (σ t ) is not less than 330 MPa, yield point (σ 0.2 ) is not less than 220 MPa, relative elongation (δ) is not less than 4 %. 
     EFFECT: invention is aimed at creation of foundry high-strength aluminum alloy intended for production of shaped castings. 
     1 cl, 2 ex, 2 tbl, 4 dwg
Patent RU-2702663-C1 (RU)
Title: Organosilicon lubricant for deep vacuum
Inventor: Storozhenko Pavel Arkadevich
IPC: C10M107/00
Filed: 2019-06-20
Granted: 2019-10-09
Abstract: FIELD: chemistry.SUBSTANCE: proposed is a organosilicon lubricant for deep vacuum, based on polydimethylsiloxane liquid as a dispersion medium and modified silicon dioxide as a dispersed phase, operating in the temperature range from minus 40 °C to plus 200 °C, characterized in that a dispersion medium used is a mixture of linear polydimethylsiloxane liquids with viscosity of 8,000 to 12,000 mm/s at temperature 20 °C and branched structure with viscosity from 7,000 to 15,000 mm/s at temperature 20 °C, taken in amount of 80–90 wt% and 2–8 wt%, respectively, and the dispersed phase is a modified silicon dioxide AM-1-300 in amount of 8–15 wt%, wherein the penetration of lubricant is 160–260 units, the lubricant provides leak-tightness of the detachable joints to obtain a vacuum of up to 10 mm Hg.EFFECT: invention can be used for connection, sealing and sealing of glass and metal elements of various process and laboratory equipment operating in conditions of deep vacuum and in contact with aggressive media.1 cl, 2 tbl, 9 ex
Patent RU-2720816-C1 (RU)
Title: Method for starting multizone circulating reactor
Inventor: MEI GABRIELE
IPC: C08F110/06
Filed: 2017-12-21
Granted: 2020-05-13
Abstract: FIELD: technological processes. 
     SUBSTANCE: invention relates to a method of starting a multi-zone circulation reactor without polyolefin particles. Method includes gas transfer through reactor and gas recirculation pipeline. Dispersed substance containing a polymerisation catalyst and, optionally, a polyolefin is fed into the reactor. Gas flow is controlled in the vertical zone of the reactor equipped with a throttle valve in the lower part so that the rate of the upward gas in the lower part of the given reaction zone is lower than the final speed of free fall of the disperse substance supplied to the reactor. Circulation of polymer particles inside the multi-zone circulation reactor is controlled by correcting the opening of the throttle valve and the rate of supply of the dosing gas. 
     EFFECT: method of starting a gas-phase olefin polymerisation reaction in a multizone circulating reactor prevents transfer of fine particles into a recirculation gas system and prevents formation of lumps. 
     15 cl, 2 dwg, 3 ex
Patent RU-2726531-C1 (RU)
Title: Контактная тарелка, содержащая перегораживающие барьеры для течения жидкости, и способ ее действия
Inventor: NIEUWOUDT IZAK
IPC: B01D3/16
Filed: 2017-12-27
Granted: 2020-07-14
Abstract: Изобретение относится по существу к колоннам, в которых происходят массообмен и теплообмен, и в частности к контактным тарелкам для применения в таких колоннах для улучшения взаимодействия между потоками текучих сред, протекающими внутри колонн, и к способу использования контактных тарелок для массообмена и/или теплообмена. Контактная тарелка для использования в колонне для массообмена или теплообмена содержит полотно тарелки колонны с зоной впуска и расположенным на расстоянии выпускным отверстием для соответственно приема жидкости на полотне тарелки колонны, а затем выпускания жидкости, после того как она протечет через полотно тарелки колонны и вступит во взаимодействие с другой текучей средой на полотне тарелки колонны и над ним. Между зоной впуска и выпускным отверстием расположено множество барьеров. Каждый из этих барьеров имеет расположенные на расстоянии друг от друга пластины и проемы в промежутках между любыми соседними пластинами. Пластины препятствуют протеканию жидкости и увеличивают жидкостную нагрузку на полотно тарелки колонны выше по течению, по мере того как жидкость протекает от зоны впуска, через проемы, а затем в выпускное отверстие. Изобретение обеспечивает повышение паропропускной способности тарелки при низких значениях расхода жидкости. 3 н. и 14 з.п. ф-лы, 5 ил.
Patent RU-2724647-C1 (RU)
Title: Управление специальной и общей системной информацией
Inventor: FRENGER PAL
IPC: H04W36/00
Filed: 2018-01-05
Granted: 2020-06-25
Abstract: Изобретение относится к беспроводной связи. Технический результат заключается в обеспечении управления специальной и общей системной информацией. Способ включает прием первого сообщения, содержащего первый набор параметров, связанный с системной информацией, где первый набор параметров имеет первую действительность; вывод сохраненного набора параметров на основании первого набора параметров и связанной с ним действительности; прием второго сообщения, содержащего второй набор параметров, связанный с системной информацией, где второй набор параметров имеет вторую действительность; после того как вторая действительность заменяет собой первую действительность, модификацию сохраненного набора параметров. 4 н. и 24 з.п. ф-лы, 10 ил.
Patent RU-2715364-C1 (RU)
Title: Method for remote determination of corona discharge coordinates on a high-voltage power transmission line
Inventor: Astakhov Sergej Petrovich
IPC: G01R31/08
Filed: 2019-08-15
Granted: 2020-02-26
Abstract: FIELD: electric power engineering.SUBSTANCE: invention relates to electric power engineering and can be used for location of faults in power transmission lines or in networks, in particular, for remote determination of coordinates of corona discharge place on high-voltage power transmission line. Method for remote determination of corona discharge coordinates on high-voltage power transmission line consists in passing radiation from analyzed object through optical system in solar-blind range, detecting the output of the radiation detector, determining the distance from the radiation detector to the radiation source. Radiation detector in the form of a radiometer with a narrow-field optical system is placed at a stationary monitoring station with respect to the extended section of the high-voltage power transmission line to be monitored, determining the geographical coordinates of the location of the radiometer and fixing them in the memory, determining the geographic coordinates of the supports of the extended section of the high-voltage power transmission line to be monitored and recording them in a storage device. Then, radiometer fields of vision are moved in space along curvilinear trajectory providing for finding within it only one of wires of controlled extended section of high-voltage power transmission line, angular positions of the optical axis of the radiometer are recorded, on which signals which indicate presence of radiation are detected by the radiometer. Further, the geographical coordinates of the radiation sources are calculated, the calculated geographical coordinates of the radiation sources are displayed, successively repeating the scanning operations, fixing the directions to the radiation sources, calculating and displaying their coordinates for the remaining wires of the extended section of the high-voltage power transmission line to be monitored.EFFECT: use of the invention enables rapid determination of coordinates of the location of corona discharge on an extended section of a high-voltage power transmission line with accuracy determined by the angular size of the field of view of the narrow-field SVU radiometer in the horizontal plane.1 cl, 3 dwg
Patent RU-2716466-C1 (RU)
Title: Method of controlling thermophysical properties of materials and device for its implementation
Inventor: Singalevich Vyacheslav Antonovich
IPC: G01R27/14
Filed: 2019-08-21
Granted: 2020-03-11
Abstract: FIELD: measuring equipment. 
     SUBSTANCE: invention relates to measurement equipment and can be used for control of thermophysical properties of articles for which heat exchange parameters between heat source and heated material are important, for example, for electric igniters. Disclosed is a method of controlling thermophysical properties of materials, which consists in the fact that successively feeding two current pulses of the same value but of different polarity. Pulse interval is set to more than 4τ, where τ is the time constant of the high-resistance conductor cooling in the worst conditions of heat exchange. Further, values of increment of electric resistance at forward and reverse direction of current are measured. Average value of these values is used to estimate heat transfer of the heater to the analyzed material, and the difference of these values serves as an additional criterion for assessing the quality of thermal contact and reliability of measurements. Disclosed method is realized using material thermophysical properties monitoring device, which comprises a controlled current source, a current direction switch to which a bridge is connected through output conductors, an input amplifier whose output is connected to the processing device, and a display device is connected to the processing device, and a control device, which serves to control and synchronize the device component parts. 
     EFFECT: high reliability of measurement results when monitoring thermophysical properties of articles. 
     2 cl, 3 dwg
Patent RU-2725655-C1 (RU)
Title: Физико-химический реактор с вихревым слоем и ферромагнитная частица для такого реактора
Inventor: Vladimirtsev Arkadij Vladimirovich
IPC: B01F13/08
Filed: 2019-09-23
Granted: 2020-07-03
Abstract: Группа изобретений относится к установкам для активации процессов обработки материалов и текучих сред в вихревом слое электромагнитного поля с использованием ферромагнетиков в области энергетики, нефтегазодобывающей, металлургической, химической промышленности, сельского и городского хозяйства, экологической защиты окружающей среды и к другим областям промышленности, а также может использоваться для обработки различных жидких сред, в частности для очистки промышленных и бытовых стоков. Ферромагнитная частица (4) для использования в качестве элемента дискретного рабочего тела, размещаемого в реакционной камере (3) физико-химического реактора (ФХР) с вихревым слоем, выполнена в виде стержня, по меньшей мере один из концов которого имеет заострение в форме луковицы. Предложен также ФХР с вихревым слоем, реакционная камера (3) которого содержит дискретное рабочее тело, состоящее из множества частиц (4) по настоящему изобретению. Предлагаемая группа изобретений позволяет повысить эффективность и качество обработки текучей среды в ФХР. 2 н. и 2 з.п. ф-лы, 3 ил.